PanLinx: buttress rubber

English	eng-000
buttress rubber

普通话	cmn-000	异丁橡胶
English	eng-000	butyl rubber
English	eng-000	isobutene rubber
English	eng-000	isobutylene-isoprene copolymer
English	eng-000	isobutylene-isoprene rubber

PanLex-PanLinx